Engaging and motivating employees to work hard is a challenge for companies large and small, and we’ve seen solutions ranging from a site that tracks morale to a company that uses upgradable lodgings as a way to reward its interns. Recently, however, New Hampshire employee recognition specialist A&R Sawyer came up with something new: My Corner Office, a soon-to-be-launched social network platform that companies can use to engage, motivate and reward their employees.